"It's melted a lot of rain, and with the ground frozen, it has no place to go,'' Jacquemin said. "The small streams are going to fill up pretty fast.''

But Jon Morrison, a hydrologist with the U.S. Geological Service in East Hartford said that the much deeper snow pack to the north of Connecticut may stave off and flooding in the state's major rivers.

"The snow is deep and it's still pretty cold up there,'' Morrison said. "It will absorb a lot of the rain."

CLICK HERE TO READ THE FLASH FLOOD WARNING AND OTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.